Home / 48,501,296,978.58-66,906,719,419.52-30,690,285,697.62

Finding the Fourth Proportional to 48,501,296,978.58, 66,906,719,419.52 and 30,690,285,697.62

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Solution

The fourth proportional to 48,501,296,978.58, 66,906,719,419.52 and 30,690,285,697.62 is: 42,336,730,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501,296,978.58 : 66,906,719,419.52 = 30,690,285,697.62 : x
  2. Step 2: Convert to fraction form
    48,501,296,978.58/66,906,719,419.52 = 30,690,285,697.62/x
  3. Step 3: Cross multiply
    48,501,296,978.58x = 66,906,719,419.52 × 30,690,285,697.62
  4. Step 4: Simplify right side
    48,501,296,978.58x = 2,053,386,334,075,630,387,200
  5. Step 5: Solve for x
    x = 2,053,386,334,075,630,387,200/48,501,296,978.58
  6. Step 6: Final answer
    x = 42,336,730,396.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.